Water hardness

SA17 Kidwelly

Near or below the UK average. Limescale builds slowly.

At 49 ppm, Kidwelly ranks near the UK's softest water areas — compare it against the hardest areas.

Soft 49 ppm Wales Welsh Water (Dwr Cymru)
Your reading
49
parts per million
Soft
Moderate
Hard
Very hard
0100200300400+

What this means for your home

Based on 49 ppm in Kidwelly (soft water).

  • Soap lathers easily with less product needed
  • Minimal limescale buildup in appliances
  • Gentle on skin and hair
  • May taste slightly flat compared to harder water
Heat loss
1%
Minimal scaling
Softener salt
£3–5
per year
Worth it?
No
at 49 ppm
Suggested for soft water
Filter jug (optional)
Mainly a taste preference, limescale won't be a real issue here.
From £20
Maintenance habits
Routine descaling once or twice a year is plenty.
Free
Softening

Should you soften the water in Kidwelly?

A verdict and running-cost estimate based on SA17's 49 ppm reading, for a typical 4-person household.

Softener optional

Water is soft to moderate, so limescale and soap costs are low and a softener rarely pays back.

Recommended size
24k
grain capacity, regenerates ~every 54.7 days
Salt running cost
£3–5
per year (~10 kg salt)
Limescale
1%
est. heater efficiency loss. Minimal scaling
Soap saving
Minimal
Water is already soft, so there is little detergent saving from softening.

Appliance impact at 49 ppm: negligible: appliances reach full expected life. Sized for a 4-person home; regenerates roughly every 55 days (estimate). Figures are conservative estimates and vary with household size and usage.

Test Your Water in Kidwelly

At 49 ppm, your water is soft. A home testing kit lets you verify the exact hardness and check for other contaminants.

TESPERT 16-in-1 Water Testing Kit

From ~£10

Home water test strips that check hardness, pH, chlorine, lead, and 12 other parameters. Results in around 60 seconds. 125 strips per pack.

View on Amazon
Water quality details

Hardness data for SA17

Sourced from Welsh Water (Dwr Cymru)'s published water-quality reports and public records.

Hardness measurements

Parts per million (ppm CaCO₃)49
Degrees Clark (°Clark)3.4
Degrees French (°fH)4.9
Degrees German (°dH)2.7
Calcium (mg/L Ca²⁺)20

Supplier and area

Water supplier Welsh Water (Dwr Cymru)
Region Wales
County West Wales
Hardness band Soft
UK average 207 ppm
Visit Welsh Water (Dwr Cymru) page
Official source
Dwr Cymru Welsh Water water-hardness report

Read the hardness explanation here, then enter your postcode on the linked drinking water quality checker to see your area's calcium and magnesium levels.

Nearby

Other areas near Kidwelly

SA16
Burry Port
48ppm
Soft
SA18
Ammanford
50ppm
Soft
SA19
Llandeilo
51ppm
Soft
FAQ

Common questions about SA17

What is the water hardness in SA17 Kidwelly?
The water in SA17 Kidwelly has a hardness level of 49 ppm (parts per million) calcium carbonate, classified as soft. This is 158 ppm below the UK national average of 207 ppm.
Which water company supplies SA17?
SA17 Kidwelly is supplied by Welsh Water (Dwr Cymru). Welsh Water (Dwr Cymru) serves the Wales region.
Is the water in SA17 safe to drink?
Yes. Soft water at 49 ppm is safe to drink. Water hardness affects taste and can cause limescale, but it is not a health risk. In fact, hard water contains beneficial minerals like calcium and magnesium.
How can I reduce water hardness in SA17?
At 49 ppm, the water in SA17 is soft and unlikely to cause significant issues. A jug filter can improve taste, but a water softener is generally not necessary.
What does 49 ppm water hardness mean?
49 ppm means there are 49 parts per million of calcium carbonate dissolved in the water. This is equivalent to 3.4 Clark degrees, 2.7 German degrees, or 4.9 French degrees. Water above 180 ppm is generally considered hard.
What size water softener do I need in SA17?
For a typical 4-person home at 49 ppm, a 24,000 grain softener is a sensible size. It would regenerate roughly every 54.7 days. Larger households or higher daily use need a bigger unit. These figures are conservative estimates.
How much does it cost to run a water softener in SA17?
At 49 ppm, expect to use about 10 kg of salt a year, costing roughly £3–£5/year. Water is soft to moderate, so limescale and soap costs are low and a softener rarely pays back.

Get SA17 Water Updates

We'll notify you when Welsh Water (Dwr Cymru) reports changes to water hardness in your area.

Check another postcode

Compare hardness across areas before moving or buying a softener.